Thermostat unit



FIG. 1 is a front perspective view of a thermostat unit showing our design;

FIG. 2 is a back perspective view of the thermostat unit design;

FIG. 3 is a front view of the thermostat design;

FIG. 4 is a left side view of the thermostat unit design;

FIG. 5 is a right side view of the thermostat unit design;

FIG. 6 is a top view of the present foundation unit and companion unit thermostat unit design;

FIG. 7 is a bottom view of the thermostat unit design; and,

FIG. 8 is a rear view of the thermostat unit design. 

CLAIM The ornamental design for a thermostat unit, as shown and described. 